1157420341 has 16 divisors (see below), whose sum is σ = 1446317568. Its totient is φ = 899823600.

The previous prime is 1157420281. The next prime is 1157420351. The reversal of 1157420341 is 1430247511.

It is a cyclic number.

It is not a de Polignac number, because 1157420341 - 2¹³ = 1157412149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157420351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17146 + ... + 51076.

It is an arithmetic number, because the mean of its divisors is an integer number (90394848).

Almost surely, 2^1157420341 is an apocalyptic number.

1157420341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1157420341 is a deficient number, since it is larger than the sum of its proper divisors (288897227).

1157420341 is a wasteful number, since it uses less digits than its factorization.

1157420341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34392.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1157420341 is about 34020.8809556719. The cubic root of 1157420341 is about 1049.9381191045.

Adding to 1157420341 its reverse (1430247511), we get a palindrome (2587667852).

The spelling of 1157420341 in words is "one billion, one hundred fifty-seven million, four hundred twenty thousand, three hundred forty-one".